Trait libp2p_core::transport::Transport

pub trait Transport {
type Output;
type Error: Error;
type Listener: Stream<Item = ListenerEvent<Self::ListenerUpgrade>, Error = Self::Error>;
type ListenerUpgrade: Future<Item = Self::Output, Error = Self::Error>;
type Dial: Future<Item = Self::Output, Error = Self::Error>;
    fn listen_on(
        self, 
        addr: Multiaddr
    ) -> Result<Self::Listener, TransportError<Self::Error>>
    where
        Self: Sized;
    fn dial(
        self, 
        addr: Multiaddr
    ) -> Result<Self::Dial, TransportError<Self::Error>>
    where
        Self: Sized;

    fn boxed(self) -> Boxed<Self::Output, Self::Error>
    where
        Self: Sized + Clone + Send + Sync + 'static,
        Self::Dial: Send + 'static,
        Self::Listener: Send + 'static,
        Self::ListenerUpgrade: Send + 'static,
    { ... }
    fn map<F, O>(self, map: F) -> Map<Self, F>
    where
        Self: Sized,
        F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone,
    { ... }
    fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F>
    where
        Self: Sized,
        F: FnOnce(Self::Error) -> TNewErr + Clone,
    { ... }
    fn or_transport<T>(self, other: T) -> OrTransport<Self, T>
    where
        Self: Sized,
    { ... }
    fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U>
    where
        Self: Sized,
        Self::Output: AsyncRead + AsyncWrite,
        U: InboundUpgrade<Self::Output, Output = O, Error = E>,
        U: OutboundUpgrade<Self::Output, Output = O, Error = E>,
    { ... }
    fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C>
    where
        Self: Sized,
        C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
        F: IntoFuture<Item = O>,
    { ... }
    fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self>
    where
        Self: Sized,
    { ... }
    fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self>
    where
        Self: Sized,
    { ... }
    fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self>
    where
        Self: Sized,
    { ... }
}

A transport provides connection-oriented communication between two peers through ordered streams of data (i.e. connections).

Connections are established either by listening or dialing on a Transport. A peer that obtains a connection by listening is often referred to as the listener and the peer that initiated the connection through dialing as the dialer, in contrast to the traditional roles of server and client.

Most transports also provide a form of reliable delivery on the established connections but the precise semantics of these guarantees depend on the specific transport.

This trait is implemented for concrete connection-oriented transport protocols like TCP or Unix Domain Sockets, but also on wrappers that add additional functionality to the dialing or listening process (e.g. name resolution via the DNS).

Additional protocols can be layered on top of the connections established by a Transport through an upgrade mechanism that is initiated via with_upgrade and optionally followed by further upgrades through chaining calls to with_upgrade and and_then. Thereby every upgrade yields a new Transport whose connection setup incorporates all earlier upgrades followed by the new upgrade, i.e. the order of the upgrades is significant.

Note: The methods of this trait use self and not &self or &mut self. In other words, listening or dialing consumes the transport object. This has been designed so that you would implement this trait on &Foo or &mut Foo instead of directly on Foo.

Associated Types

type Output

The result of a connection setup process, including protocol upgrades.

Typically the output contains at least a handle to a data stream (i.e. a connection or a substream multiplexer on top of a connection) that provides APIs for sending and receiving data through the connection.

type Error: Error

An error that occurred during connection setup.

type Listener: Stream<Item = ListenerEvent<Self::ListenerUpgrade>, Error = Self::Error>

A stream of Outputs for inbound connections.

An item should be produced whenever a connection is received at the lowest level of the transport stack. The item must be a ListenerUpgrade future that resolves to an Output value once all protocol upgrades have been applied.

type ListenerUpgrade: Future<Item = Self::Output, Error = Self::Error>

A pending Output for an inbound connection, obtained from the Listener stream.

After a connection has been accepted by the transport, it may need to go through asynchronous post-processing (i.e. protocol upgrade negotiations). Such post-processing should not block the Listener from producing the next connection, hence further connection setup proceeds asynchronously. Once a ListenerUpgrade future resolves it yields the Output of the connection setup process.

type Dial: Future<Item = Self::Output, Error = Self::Error>

A pending Output for an outbound connection, obtained from dialing.

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Required methods

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>> where
    Self: Sized, 

Listens on the given Multiaddr, producing a stream of pending, inbound connections and addresses this transport is listening on (cf. ListenerEvent).

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>> where
    Self: Sized, 

Dials the given Multiaddr, returning a future for a pending outbound connection.

If TransportError::MultiaddrNotSupported is returned, it may be desirable to try an alternative Transport, if available.

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Provided methods

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

Turns this Transport into an abstract boxed transport.

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

Applies a function on the connections created by the transport.

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

Applies a function on the errors generated by the futures of the transport.

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

Builds a new transport that falls back to another transport when encountering errors on dialing or listening for connections.

The returned transport will act like self, except that if listen_on or dial return an error then other will be tried.

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

Wraps this transport inside an Upgrade.

Whenever an inbound or outbound connection is established by this transport, the upgrade is applied on the current state of the connection (which may have already gone through previous upgrades) as an upgrade::InboundUpgrade or upgrade::OutboundUpgrade, respectively.

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

Applies a function producing an asynchronous result to every connection created by this transport.

This function can be used for ad-hoc protocol upgrades on a transport or for processing or adapting the output of an earlier upgrade before applying the next upgrade.

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

Adds a timeout to the connection setup (including upgrades) for all inbound and outbound connection attempts.

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

Adds a timeout to the connection setup (including upgrades) for all outbound connection attempts.

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

Adds a timeout to the connection setup (including upgrades) for all inbound connection attempts.

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Implementors

impl Transport for MemoryTransport

type Output = Channel<Bytes>

type Error = MemoryTransportError

type Listener = Listener

type ListenerUpgrade = FutureResult<Self::Output, Self::Error>

type Dial = DialFuture

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<DialFuture, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<A, B> Transport for OrTransport<A, B> where
    B: Transport,
    A: Transport, 

type Output = EitherOutput<A::Output, B::Output>

type Error = EitherError<A::Error, B::Error>

type Listener = EitherListenStream<A::Listener, B::Listener>

type ListenerUpgrade = EitherFuture<A::ListenerUpgrade, B::ListenerUpgrade>

type Dial = EitherFuture<A::Dial, B::Dial>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<D, U, O, TUpgrErr> Transport for Upgrade<D, U> where
    D: Transport,
    D::Output: AsyncRead + AsyncWrite,
    D::Error: 'static,
    U: InboundUpgrade<D::Output, Output = O, Error = TUpgrErr>,
    U: OutboundUpgrade<D::Output, Output = O, Error = TUpgrErr> + Clone,
    TUpgrErr: Error + Send + Sync + 'static, 

type Output = O

type Error = TransportUpgradeError<D::Error, TUpgrErr>

type Listener = ListenerStream<D::Listener, U>

type ListenerUpgrade = ListenerUpgradeFuture<D::ListenerUpgrade, U>

type Dial = DialUpgradeFuture<D::Dial, U>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<InnerTrans> Transport for TransportTimeout<InnerTrans> where
    InnerTrans: Transport,
    InnerTrans::Error: 'static, 

type Output = InnerTrans::Output

type Error = TransportTimeoutError<InnerTrans::Error>

type Listener = TimeoutListener<InnerTrans::Listener>

type ListenerUpgrade = TokioTimerMapErr<Timeout<InnerTrans::ListenerUpgrade>>

type Dial = TokioTimerMapErr<Timeout<InnerTrans::Dial>>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<O, E> Transport for Boxed<O, E> where
    E: Error, 

type Output = O

type Error = E

type Listener = Listener<O, E>

type ListenerUpgrade = ListenerUpgrade<O, E>

type Dial = Dial<O, E>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<T> Transport for OptionalTransport<T> where
    T: Transport, 

type Output = T::Output

type Error = T::Error

type Listener = T::Listener

type ListenerUpgrade = T::ListenerUpgrade

type Dial = T::Dial

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<T, C, F, O> Transport for AndThen<T, C> where
    T: Transport,
    C: FnOnce(T::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>,
    F::Error: Error, 

type Output = O

type Error = EitherError<T::Error, F::Error>

type Listener = AndThenStream<T::Listener, C>

type ListenerUpgrade = AndThenFuture<T::ListenerUpgrade, C, F::Future>

type Dial = AndThenFuture<T::Dial, C, F::Future>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<T, F, D> Transport for Map<T, F> where
    T: Transport,
    F: FnOnce(T::Output, ConnectedPoint) -> D + Clone, 

type Output = D

type Error = T::Error

type Listener = MapStream<T::Listener, F>

type ListenerUpgrade = MapFuture<T::ListenerUpgrade, F>

type Dial = MapFuture<T::Dial, F>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<T, F, TErr> Transport for MapErr<T, F> where
    T: Transport,
    F: FnOnce(T::Error) -> TErr + Clone,
    TErr: Error, 

type Output = T::Output

type Error = TErr

type Listener = MapErrListener<T, F>

type ListenerUpgrade = MapErrListenerUpgrade<T, F>

type Dial = MapErrDial<T, F>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

impl<TOut> Transport for DummyTransport<TOut>

type Output = TOut

type Error = Error

type Listener = Empty<ListenerEvent<Self::ListenerUpgrade>, Error>

type ListenerUpgrade = Empty<Self::Output, Error>

type Dial = Empty<Self::Output, Error>

fn listen_on(
    self,
    addr: Multiaddr
) -> Result<Self::Listener, TransportError<Self::Error>>

fn dial(
    self,
    addr: Multiaddr
) -> Result<Self::Dial, TransportError<Self::Error>>

fn boxed(self) -> Boxed<Self::Output, Self::Error> where
    Self: Sized + Clone + Send + Sync + 'static,
    Self::Dial: Send + 'static,
    Self::Listener: Send + 'static,
    Self::ListenerUpgrade: Send + 'static, 

fn map<F, O>(self, map: F) -> Map<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Output, ConnectedPoint) -> O + Clone, 

fn map_err<F, TNewErr>(self, map_err: F) -> MapErr<Self, F> where
    Self: Sized,
    F: FnOnce(Self::Error) -> TNewErr + Clone, 

fn or_transport<T>(self, other: T) -> OrTransport<Self, T> where
    Self: Sized, 

fn with_upgrade<U, O, E>(self, upgrade: U) -> Upgrade<Self, U> where
    Self: Sized,
    Self::Output: AsyncRead + AsyncWrite,
    U: InboundUpgrade<Self::Output, Output = O, Error = E>,
    U: OutboundUpgrade<Self::Output, Output = O, Error = E>, 

fn and_then<C, F, O>(self, upgrade: C) -> AndThen<Self, C> where
    Self: Sized,
    C: FnOnce(Self::Output, ConnectedPoint) -> F + Clone,
    F: IntoFuture<Item = O>, 

fn with_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_outbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

fn with_inbound_timeout(self, timeout: Duration) -> TransportTimeout<Self> where
    Self: Sized, 

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